Interface Definition Whole Machine Interface Definition AIO-1688JD4 provides a rich set of interfaces, mainly including: 12V power interface 2 x USB 3.0 2 x Gigabit Ethernet WIFI antenna Fan interface Power button Reset button Recovery button Debug serial port (TTL) CAN Industrial serial port (RS485, RS232) Type-C (USB2.0, debug serial port) SIM card slot Mini PCIe interface (4G LTE) M.2 interface (5G Module) NVME interface (PCIE3.0 x 1) SATA 3.0 TF card slot Headphone RTC MIPI CSI MIPI DSI HDMI 2.0 Details are as shown in the pictures below: